Class: Crapshoot::Parser::Scan

Inherits:
Object
  • Object
show all
Defined in:
lib/crapshoot/parser/scan.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Scan 



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# File 'lib/crapshoot/parser/scan.rb', line 10

def initialize
  @tokens = []
  @num_stack = []
end

Instance Method Details

#atos(a) ⇒ Object 



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# File 'lib/crapshoot/parser/scan.rb', line 342

def atos(a)
  a.map(&:chr).join
end

#parse(line) ⇒ Object 



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# File 'lib/crapshoot/parser/scan.rb', line 15

def parse(line)
  data = line.codepoints.to_a
  stack = []
  p = 0
  ts = 0
  te = 0
  act = 0
  eof = data.length
  
# line 25 "lib/crapshoot/parser/scan.rb"
class << self
  attr_accessor :_scanner_trans_keys
  private :_scanner_trans_keys, :_scanner_trans_keys=
end
self._scanner_trans_keys = [
  0, 0, 48, 57, 9, 47, 
  9, 57, 9, 57, 48, 
  57, 9, 100, 9, 118, 
  9, 47, 0
]

class << self
  attr_accessor :_scanner_key_spans
  private :_scanner_key_spans, :_scanner_key_spans=
end
self._scanner_key_spans = [
  0, 10, 39, 49, 49, 10, 92, 110, 
  39
]

class << self
  attr_accessor :_scanner_index_offsets
  private :_scanner_index_offsets, :_scanner_index_offsets=
end
self._scanner_index_offsets = [
  0, 0, 11, 51, 101, 151, 162, 255, 
  366
]

class << self
  attr_accessor :_scanner_indicies
  private :_scanner_indicies, :_scanner_indicies=
end
self._scanner_indicies = [
  0, 0, 0, 0, 0, 0, 0, 0, 
  0, 0, 1, 2, 2, 2, 2, 2, 
  1, 1, 1, 1, 1, 1, 1, 1, 
  1, 1, 1, 1, 1, 1, 1, 1, 
  1, 1, 2, 1, 1, 1, 1, 1, 
  1, 1, 1, 1, 3, 3, 1, 3, 
  1, 3, 1, 4, 4, 4, 4, 4, 
  1, 1, 1, 1, 1, 1, 1, 1, 
  1, 1, 1, 1, 1, 1, 1, 1, 
  1, 1, 4, 1, 1, 1, 1, 1, 
  1, 1, 1, 1, 1, 1, 1, 1, 
  1, 1, 5, 5, 5, 5, 5, 5, 
  5, 5, 5, 5, 1, 6, 6, 6, 
  6, 6, 1, 1, 1, 1, 1, 1, 
  1, 1, 1, 1, 1, 1, 1, 1, 
  1, 1, 1, 1, 6, 1, 1, 1, 
  1, 1, 1, 1, 1, 1, 1, 1, 
  1, 1, 1, 1, 0, 0, 0, 0, 
  0, 0, 0, 0, 0, 0, 1, 7, 
  7, 7, 7, 7, 7, 7, 7, 7, 
  7, 1, 8, 8, 8, 8, 8, 1, 
  1, 1, 1, 1, 1, 1, 1, 1, 
  1, 1, 1, 1, 1, 1, 1, 1, 
  1, 8, 1, 1, 1, 1, 1, 1, 
  1, 1, 1, 9, 9, 1, 9, 1, 
  9, 10, 10, 10, 10, 10, 10, 10, 
  10, 10, 10, 1, 1, 1, 1, 1, 
  1, 1, 1, 1, 1, 1, 1, 1, 
  1, 1, 1, 1, 1, 1, 1, 1, 
  1, 1, 1, 1, 1, 1, 1, 1, 
  1, 1, 1, 1, 1, 1, 1, 1, 
  1, 1, 1, 1, 1, 11, 1, 12, 
  12, 12, 12, 12, 1, 1, 1, 1, 
  1, 1, 1, 1, 1, 1, 1, 1, 
  1, 1, 1, 1, 1, 1, 12, 1, 
  1, 1, 1, 1, 1, 1, 1, 1, 
  13, 13, 1, 13, 1, 13, 14, 14, 
  14, 14, 14, 14, 14, 14, 14, 14, 
  1, 1, 1, 1, 1, 1, 1, 1, 
  1, 1, 1, 1, 1, 1, 1, 1, 
  1, 1, 1, 1, 1, 1, 1, 1, 
  1, 1, 1, 1, 1, 1, 1, 1, 
  1, 1, 1, 1, 15, 1, 1, 1, 
  1, 1, 1, 1, 1, 1, 1, 1, 
  1, 1, 1, 1, 1, 1, 1, 1, 
  1, 1, 1, 1, 15, 1, 16, 16, 
  16, 16, 16, 1, 1, 1, 1, 1, 
  1, 1, 1, 1, 1, 1, 1, 1, 
  1, 1, 1, 1, 1, 16, 1, 1, 
  1, 1, 1, 1, 1, 1, 1, 17, 
  17, 1, 17, 1, 17, 1, 0
]

class << self
  attr_accessor :_scanner_trans_targs
  private :_scanner_trans_targs, :_scanner_trans_targs=
end
self._scanner_trans_targs = [
  6, 0, 2, 3, 4, 6, 4, 7, 
  2, 3, 6, 5, 2, 3, 7, 8, 
  2, 3
]

class << self
  attr_accessor :_scanner_trans_actions
  private :_scanner_trans_actions, :_scanner_trans_actions=
end
self._scanner_trans_actions = [
  1, 0, 0, 0, 2, 3, 0, 1, 
  4, 4, 0, 5, 6, 6, 0, 5, 
  7, 7
]

class << self
  attr_accessor :_scanner_eof_actions
  private :_scanner_eof_actions, :_scanner_eof_actions=
end
self._scanner_eof_actions = [
  0, 0, 0, 0, 0, 0, 4, 6, 
  7
]

class << self
  attr_accessor :scanner_start
end
self.scanner_start = 1;
class << self
  attr_accessor :scanner_first_final
end
self.scanner_first_final = 6;
class << self
  attr_accessor :scanner_error
end
self.scanner_error = 0;

class << self
  attr_accessor :scanner_en_main
end
self.scanner_en_main = 1;


# line 52 "lib/crapshoot/parser/scan.rl"
  
# line 163 "lib/crapshoot/parser/scan.rb"
begin
  p ||= 0
  pe ||= data.length
  cs = scanner_start
end

# line 53 "lib/crapshoot/parser/scan.rl"
  
# line 172 "lib/crapshoot/parser/scan.rb"
begin
  testEof = false
  _slen, _trans, _keys, _inds, _acts, _nacts = nil
  _goto_level = 0
  _resume = 10
  _eof_trans = 15
  _again = 20
  _test_eof = 30
  _out = 40
  while true
  if _goto_level <= 0
  if p == pe
    _goto_level = _test_eof
    next
  end
  if cs == 0
    _goto_level = _out
    next
  end
  end
  if _goto_level <= _resume
  _keys = cs << 1
  _inds = _scanner_index_offsets[cs]
  _slen = _scanner_key_spans[cs]
  _trans = if (   _slen > 0 && 
      _scanner_trans_keys[_keys] <= data[p] && 
      data[p] <= _scanner_trans_keys[_keys + 1] 
) then
      _scanner_indicies[ _inds + data[p] - _scanner_trans_keys[_keys] ] 
     else 
      _scanner_indicies[ _inds + _slen ]
     end
  cs = _scanner_trans_targs[_trans]
  if _scanner_trans_actions[_trans] != 0
  case _scanner_trans_actions[_trans]
  when 1 then
# line 4 "lib/crapshoot/parser/scan.rl"
    begin
 @mark_num = p    end
# line 4 "lib/crapshoot/parser/scan.rl"
  when 5 then
# line 5 "lib/crapshoot/parser/scan.rl"
    begin
 @num_stack.push atos(data[@mark_num..p-1])     end
# line 5 "lib/crapshoot/parser/scan.rl"
  when 2 then
# line 15 "lib/crapshoot/parser/scan.rl"
    begin
 @tokens << Tokens::Arithmetic.new(data[p-1].chr)     end
# line 15 "lib/crapshoot/parser/scan.rl"
  when 4 then
# line 5 "lib/crapshoot/parser/scan.rl"
    begin
 @num_stack.push atos(data[@mark_num..p-1])     end
# line 5 "lib/crapshoot/parser/scan.rl"
# line 7 "lib/crapshoot/parser/scan.rl"
    begin
 @tokens << Tokens::Constant.new(@num_stack.pop)    end
# line 7 "lib/crapshoot/parser/scan.rl"
  when 6 then
# line 5 "lib/crapshoot/parser/scan.rl"
    begin
 @num_stack.push atos(data[@mark_num..p-1])     end
# line 5 "lib/crapshoot/parser/scan.rl"
# line 8 "lib/crapshoot/parser/scan.rl"
    begin

    drop = @drop_current
    @drop_current = nil
    sides = @num_stack.pop
    count = @num_stack.pop
    @tokens << Tokens::Series.new(count, sides, drop)
      end
# line 8 "lib/crapshoot/parser/scan.rl"
  when 3 then
# line 15 "lib/crapshoot/parser/scan.rl"
    begin
 @tokens << Tokens::Arithmetic.new(data[p-1].chr)     end
# line 15 "lib/crapshoot/parser/scan.rl"
# line 4 "lib/crapshoot/parser/scan.rl"
    begin
 @mark_num = p    end
# line 4 "lib/crapshoot/parser/scan.rl"
  when 7 then
# line 17 "lib/crapshoot/parser/scan.rl"
    begin
 @drop_current = data[p-1].chr    end
# line 17 "lib/crapshoot/parser/scan.rl"
# line 8 "lib/crapshoot/parser/scan.rl"
    begin

    drop = @drop_current
    @drop_current = nil
    sides = @num_stack.pop
    count = @num_stack.pop
    @tokens << Tokens::Series.new(count, sides, drop)
      end
# line 8 "lib/crapshoot/parser/scan.rl"
# line 271 "lib/crapshoot/parser/scan.rb"
  end
  end
  end
  if _goto_level <= _again
  if cs == 0
    _goto_level = _out
    next
  end
  p += 1
  if p != pe
    _goto_level = _resume
    next
  end
  end
  if _goto_level <= _test_eof
  if p == eof
    case _scanner_eof_actions[cs]
  when 4 then
# line 5 "lib/crapshoot/parser/scan.rl"
    begin
 @num_stack.push atos(data[@mark_num..p-1])     end
# line 5 "lib/crapshoot/parser/scan.rl"
# line 7 "lib/crapshoot/parser/scan.rl"
    begin
 @tokens << Tokens::Constant.new(@num_stack.pop)    end
# line 7 "lib/crapshoot/parser/scan.rl"
  when 6 then
# line 5 "lib/crapshoot/parser/scan.rl"
    begin
 @num_stack.push atos(data[@mark_num..p-1])     end
# line 5 "lib/crapshoot/parser/scan.rl"
# line 8 "lib/crapshoot/parser/scan.rl"
    begin

    drop = @drop_current
    @drop_current = nil
    sides = @num_stack.pop
    count = @num_stack.pop
    @tokens << Tokens::Series.new(count, sides, drop)
      end
# line 8 "lib/crapshoot/parser/scan.rl"
  when 7 then
# line 17 "lib/crapshoot/parser/scan.rl"
    begin
 @drop_current = data[p-1].chr    end
# line 17 "lib/crapshoot/parser/scan.rl"
# line 8 "lib/crapshoot/parser/scan.rl"
    begin

    drop = @drop_current
    @drop_current = nil
    sides = @num_stack.pop
    count = @num_stack.pop
    @tokens << Tokens::Series.new(count, sides, drop)
      end
# line 8 "lib/crapshoot/parser/scan.rl"
# line 328 "lib/crapshoot/parser/scan.rb"
    end
  end

  end
  if _goto_level <= _out
    break
  end
end
  end

# line 54 "lib/crapshoot/parser/scan.rl"
  return @tokens
end